That was a radio program in free format conversation about gems, gemology, work of the gem testing lab. We also talked about some gems in particular, as the zircon, the most ancient gem mineral in the world. (in Spanish)
That was a radio program in free format conversation about gems, gemology, work of the gem testing lab. We also talked about some gems in particular, as the zircon, the most ancient gem mineral in the world. (in Spanish)